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Table 1 pH values of hydroponic solution initially and after 4 h of PHE uptake

From: Interaction of phenanthrene and potassium uptake by wheat roots: a mechanistic model

Treatment

pH1

pH2

ΔpH

Ck (-K+-PHE)

5.50

5.47 ± 0.06d

-0.03 ± 0.06d

+5.62 μM PHE

5.50

5.82 ± 0.03a

0.32 ± 0.03a

+0.2 mM K+

5.50

5.38 ± 0.01e

-0.12 ± 0.01e

+0.2 mM K+ +5.62 μM PHE

5.50

5.72 ± 0.03b

0.22 ± 0.03b

+6 mM K+

5.50

5.32 ± 0.02f

-0.18 ± 0.02f

+6 mM K+ +5.62 μM PHE

5.50

5.65 ± 0.02c

0.15 ± 0.02c

  1. Millipore water (pH 5.5) was employed for medium. Data were subjected to one-way ANOVA and compared using the Duncan’s test (P < 0.05). Different letters in the same column indicate significant differences. PHE, phenanthrene. pH1, pHinitial. pH2, pHafter 4h. ΔpH = pHafter 4h - pHinitial.